Effects of hydration levels on the bandwidth of microwave resonant absorption induced by confined acoustic vibrations

被引：13

作者：

Liu, Tzu-Ming ^{[1
]}

Chen, Hung-Pin ^{[2
]}

Yeh, Shih-Chia ^{[3
]}

Wu, Chih-Yu ^{[3
]}

Wang, Chung-Hsiung ^{[3
]}

Luo, Tang-Nian ^{[4
]}

Chen, Yi-Jan ^{[4
]}

Liu, Shen-Iuan ^{[4
]}

Sun, Chi-Kuang ^{[2
,4
,5
]}

机构：

[1] Natl Taiwan Univ, Inst Biomed Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan

[3] Natl Taiwan Univ, Dept Entomol, Taipei 10617, Taiwan

[4] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[5] Acad Sinica, Taiwan & Res Ctr Appl Sci, Taipei 10617, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 17期

关键词：

PICORNA-LIKE-VIRUS; MOLECULES; PHONONS; DNA;

D O I：

10.1063/1.3254251

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We found the hydration levels on the capsid surface of viruses can affect the bandwidth of microwave resonant absorption (MRA) induced by the confined acoustic vibrations (CAV). By decreasing the pH value of solution down to 5.2 or inactivating the capsid proteins, we enhanced the surface hydrophilicity and increased the magnitude of surface potentials. Both of these surface manipulations raised the surface affinity to water molecules and narrowed the bandwidths of CAV-induced MRA. Our results validate the viscoelastic transition of hydration shells. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3254251]

引用

页数：3

共 35 条

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